Mathematics: Post your doubts here!

[jainam]

http://papers.xtremepapers.com/CIE/...AS Level/Mathematics (9709)/9709_s04_qp_3.pdf
9 ii)
please reply as soon as possible

 

[kaushar]

i need help for paper 32 may/june 2013 plzz question 10
plzzz i have an exam 2morrow

 

[jainam]

i need help for paper 32 may/june 2013 plzz question 10
plzzz i have an exam 2morrow

send the link of the paper

 

[kaushar]

The points A and B have position vectors 2i − 3j + 2k and 5i − 2j + k respectively. The plane p has
equation x + y = 5.
(i) Find the position vector of the point of intersection of the line through A and B and the plane p.
(ii) A second plane q has an equation of the form x + by + cÏ = d, where b, c and d are constants.
The plane q contains the line AB, and the acute angle between the planes p and q is 60Å. Find
the equation of q.


this is the question..

 

[kaushar]

x + by + cz = d
sory for copy and paste

 

[Tkp]

can some1 help me in may june 12 (32) ques 5

 

[6Astarstudent]

can some1 help me in may june 12 (32) ques 5

dy/dx= e^(2x+y) = e^(2x) * e^y
e^(-y) dy = e^(2x) dx
-e^(-y) = 0.5e^(2x) + c
substitute x=0 y=0
-1 = 0.5 + c c= -1.5
-e^(-y) = 0.5e^(2x) - 1.5
e^(-y) = -0.5e^(2x) + 1.5
-y = ln(3-e^(2x)/2)
y = ln(2/(3-e^(2x))

 

[$~SauD~$]

http://papers.xtremepapers.com/CIE/...S Level/Mathematics (9709)/9709_s12_qp_32.pdf

Question 10. part 3.

 

[HongYue]

http://olevel.sourceforge.net/papers/9709/9709_s13_qp_31.pdf
Question 7 part (ii)
Thx.

 

[Tkp]

http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s12_qp_32.pdf

Question 10. part 3.

thats my prblm 2 also

 

[Tkp]

dy/dx= e^(2x+y) = e^(2x) * e^y
e^(-y) dy = e^(2x) dx
-e^(-y) = 0.5e^(2x) + c
substitute x=0 y=0
-1 = 0.5 + c c= -1.5
-e^(-y) = 0.5e^(2x) - 1.5
e^(-y) = -0.5e^(2x) + 1.5
-y = ln(3-e^(2x)/2)
y = ln(2/(3-e^(2x))

thnks

 

[$~SauD~$]

thats my prblm 2 also

If i get solution, i will post it up here dw

 

[$~SauD~$]

thats my prblm 2 also

If i get solution, i will post it up here dw

 

[Maz]

Hey, could someone please post notes for complex numbers and vectors. Especially complex- i'm more or less lost... Please...

 

[MrMe001]

hi, I need the solution for May/June 2013 p33 Q7

help pls. URGENT

 

[MrMe001]

hi, I need the solution for May/June 2013 p33 Q7

help pls. URGENT

 

[Kumkum]

http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s12_qp_32.pdf

Question 10. part 3.

thats my prblm 2 also

here's the solution to 10 part 3 https://www.xtremepapers.com/community/threads/a-maths-doubt.24710/

 

[Tkp]

here's the solution to 10 part 3 https://www.xtremepapers.com/community/threads/a-maths-doubt.24710/

thnks

 

[Banglarbagh]

Hello can anyone solve this maths for me.... June 12/p32 Question no. 2 (ii) .... Please help me......

 

[Maz]

Hello can anyone solve this maths for me.... June 12/p32 Question no. 2 (ii) .... Please help me......

Take f(x) = ø - tan^-1(3ø)

Search for a sign change.
f(0) = 0
f(pi/4) = -0.38
f(pi/2) = 0.21

Therefore, the root is between pi/4 and pi/2...
take x1 = pi/4...
I guess now it's easy...